/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:26:50,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:26:50,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:26:50,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:26:50,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:26:50,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:26:50,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:26:50,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:26:50,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:26:50,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:26:50,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:26:50,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:26:50,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:26:50,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:26:50,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:26:50,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:26:50,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:26:50,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:26:50,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:26:50,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:26:50,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:26:50,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:26:50,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:26:50,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:26:50,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:26:50,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:26:50,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:26:50,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:26:50,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:26:50,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:26:50,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:26:50,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:26:50,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:26:50,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:26:50,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:26:50,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:26:50,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:26:50,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:26:50,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:26:50,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:26:50,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:26:50,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:26:50,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:26:50,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:26:50,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:26:50,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:26:50,713 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:26:50,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:26:50,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:26:50,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:26:50,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:26:50,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:26:50,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:26:50,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:26:50,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:26:50,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:26:50,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:26:50,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:26:50,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:26:50,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:26:50,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:26:50,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:26:50,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:26:50,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:26:50,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:26:50,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:26:50,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:26:50,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:26:50,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:26:50,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:26:50,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:26:50,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:26:51,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:26:51,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:26:51,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:26:51,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:26:51,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:26:51,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2020-10-29 11:26:51,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e27b250fa/0431bbfdd26e4367a9d3e1d82e4dc939/FLAG157e24566 [2020-10-29 11:26:52,008 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:26:52,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2020-10-29 11:26:52,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e27b250fa/0431bbfdd26e4367a9d3e1d82e4dc939/FLAG157e24566 [2020-10-29 11:26:52,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e27b250fa/0431bbfdd26e4367a9d3e1d82e4dc939 [2020-10-29 11:26:52,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:26:52,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:26:52,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:26:52,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:26:52,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:26:52,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:26:52" (1/1) ... [2020-10-29 11:26:52,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc1cecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:52, skipping insertion in model container [2020-10-29 11:26:52,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:26:52" (1/1) ... [2020-10-29 11:26:52,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:26:52,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:26:52,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:26:52,899 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:26:53,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:26:53,105 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:26:53,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53 WrapperNode [2020-10-29 11:26:53,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:26:53,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:26:53,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:26:53,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:26:53,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... [2020-10-29 11:26:53,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:26:53,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:26:53,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:26:53,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:26:53,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:26:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:26:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:26:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:26:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:26:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:26:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:26:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:26:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:26:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:26:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:26:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:26:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:26:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:26:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:26:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:26:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:26:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:26:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:26:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:26:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:26:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:26:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:26:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:26:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:26:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:26:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:26:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:26:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:26:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:26:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:26:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:26:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:26:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:26:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:26:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:26:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:26:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:26:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:26:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:26:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:26:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:26:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:26:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:26:54,715 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:26:54,716 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:26:54,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:26:54 BoogieIcfgContainer [2020-10-29 11:26:54,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:26:54,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:26:54,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:26:54,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:26:54,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:26:52" (1/3) ... [2020-10-29 11:26:54,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ad20fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:26:54, skipping insertion in model container [2020-10-29 11:26:54,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:26:53" (2/3) ... [2020-10-29 11:26:54,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ad20fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:26:54, skipping insertion in model container [2020-10-29 11:26:54,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:26:54" (3/3) ... [2020-10-29 11:26:54,728 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-10-29 11:26:54,740 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:26:54,746 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:26:54,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:26:54,790 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:26:54,790 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:26:54,790 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:26:54,791 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:26:54,791 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:26:54,791 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:26:54,791 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:26:54,791 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:26:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-10-29 11:26:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:26:54,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:26:54,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:26:54,826 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:26:54,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:26:54,852 INFO L82 PathProgramCache]: Analyzing trace with hash 436952954, now seen corresponding path program 1 times [2020-10-29 11:26:54,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:26:54,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947144696] [2020-10-29 11:26:54,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:26:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:26:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:26:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:26:57,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:26:58,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:00,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:00,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:27:00,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:27:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 11:27:00,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:00,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:27:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:27:00,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:27:01,124 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:01,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:01,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 11:27:01,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:01,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:01,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:01,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:01,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:27:01,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:01,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:01,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:01,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:27:01,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:01,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:01,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:27:01,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:01,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:27:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:01,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:27:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:01,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:01,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:01,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:01,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:01,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:01,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947144696] [2020-10-29 11:27:01,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:01,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:27:01,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848177740] [2020-10-29 11:27:01,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:27:01,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:01,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:27:01,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:27:01,468 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 4 states. [2020-10-29 11:27:02,287 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:07,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:07,281 INFO L93 Difference]: Finished difference Result 511 states and 666 transitions. [2020-10-29 11:27:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:27:07,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:27:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:07,303 INFO L225 Difference]: With dead ends: 511 [2020-10-29 11:27:07,303 INFO L226 Difference]: Without dead ends: 335 [2020-10-29 11:27:07,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:27:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-10-29 11:27:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 267. [2020-10-29 11:27:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-29 11:27:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 320 transitions. [2020-10-29 11:27:07,561 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 320 transitions. Word has length 47 [2020-10-29 11:27:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:07,562 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 320 transitions. [2020-10-29 11:27:07,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:27:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 320 transitions. [2020-10-29 11:27:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 11:27:07,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:07,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:07,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:27:07,582 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:27:07,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:07,582 INFO L82 PathProgramCache]: Analyzing trace with hash -110072293, now seen corresponding path program 1 times [2020-10-29 11:27:07,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:07,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483376070] [2020-10-29 11:27:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:09,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:12,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:27:12,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:27:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4708 [2020-10-29 11:27:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:27:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:27:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,266 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 11:27:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:13,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:13,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:13,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:13,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:27:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:13,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:13,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:27:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:27:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:27:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:27:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:13,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:13,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483376070] [2020-10-29 11:27:13,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:13,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:27:13,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150767997] [2020-10-29 11:27:13,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:27:13,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:13,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:27:13,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:27:13,538 INFO L87 Difference]: Start difference. First operand 267 states and 320 transitions. Second operand 8 states. [2020-10-29 11:27:14,444 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:17,246 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:18,187 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:19,028 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:27:19,808 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:20,964 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:24,695 INFO L93 Difference]: Finished difference Result 908 states and 1196 transitions. [2020-10-29 11:27:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:27:24,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-29 11:27:24,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:24,706 INFO L225 Difference]: With dead ends: 908 [2020-10-29 11:27:24,707 INFO L226 Difference]: Without dead ends: 621 [2020-10-29 11:27:24,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:27:24,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-10-29 11:27:24,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 476. [2020-10-29 11:27:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-29 11:27:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 573 transitions. [2020-10-29 11:27:24,876 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 573 transitions. Word has length 58 [2020-10-29 11:27:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:24,876 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 573 transitions. [2020-10-29 11:27:24,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:27:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 573 transitions. [2020-10-29 11:27:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 11:27:24,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:24,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:24,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:27:24,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:27:24,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:24,881 INFO L82 PathProgramCache]: Analyzing trace with hash -988166441, now seen corresponding path program 1 times [2020-10-29 11:27:24,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:24,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062970200] [2020-10-29 11:27:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:24,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:27:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,728 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 11:27:27,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:27,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:27,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:27,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:27:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:27,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:27,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:27,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:27,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:27,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:27,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:28,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:27:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:28,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:28,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:28,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:28,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:27:28,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:28,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:27:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:27:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:27:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:28,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:28,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:28,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:28,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:27:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:28,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:28,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:28,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:28,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:28,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062970200] [2020-10-29 11:27:28,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:28,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:27:28,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237088410] [2020-10-29 11:27:28,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:27:28,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:28,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:27:28,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:27:28,108 INFO L87 Difference]: Start difference. First operand 476 states and 573 transitions. Second operand 10 states. [2020-10-29 11:27:29,135 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:31,553 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:32,508 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:33,313 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:27:35,308 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:36,220 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:27:41,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:41,243 INFO L93 Difference]: Finished difference Result 1514 states and 2115 transitions. [2020-10-29 11:27:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 11:27:41,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-29 11:27:41,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:41,256 INFO L225 Difference]: With dead ends: 1514 [2020-10-29 11:27:41,256 INFO L226 Difference]: Without dead ends: 1062 [2020-10-29 11:27:41,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2020-10-29 11:27:41,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-10-29 11:27:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 768. [2020-10-29 11:27:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-10-29 11:27:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 961 transitions. [2020-10-29 11:27:41,495 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 961 transitions. Word has length 62 [2020-10-29 11:27:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:41,496 INFO L481 AbstractCegarLoop]: Abstraction has 768 states and 961 transitions. [2020-10-29 11:27:41,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:27:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 961 transitions. [2020-10-29 11:27:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-29 11:27:41,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:41,500 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:41,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:27:41,501 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:27:41,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:41,501 INFO L82 PathProgramCache]: Analyzing trace with hash -841307370, now seen corresponding path program 1 times [2020-10-29 11:27:41,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:41,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785987337] [2020-10-29 11:27:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:41,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:46,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 11:27:46,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:27:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4902 [2020-10-29 11:27:46,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:46,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 11:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:27:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,177 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:47,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:27:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:47,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:27:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:27:47,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 11:27:47,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 11:27:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:27:47,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:27:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:27:47,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 11:27:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:27:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:27:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:27:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:27:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 11:27:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:27:47,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:27:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:27:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:27:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:47,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:27:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:47,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 11:27:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:47,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 11:27:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:47,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:47,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:47,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 11:27:47,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785987337] [2020-10-29 11:27:47,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:27:47,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:27:47,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378829147] [2020-10-29 11:27:47,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:27:47,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:47,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:27:47,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:27:47,804 INFO L87 Difference]: Start difference. First operand 768 states and 961 transitions. Second operand 12 states. [2020-10-29 11:27:48,845 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:50,509 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:51,830 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:52,813 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:55,119 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:56,095 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:57,151 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:58,014 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:59,659 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-29 11:28:01,275 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-29 11:28:05,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:05,712 INFO L93 Difference]: Finished difference Result 1709 states and 2263 transitions. [2020-10-29 11:28:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 11:28:05,714 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-10-29 11:28:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:05,722 INFO L225 Difference]: With dead ends: 1709 [2020-10-29 11:28:05,722 INFO L226 Difference]: Without dead ends: 921 [2020-10-29 11:28:05,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-10-29 11:28:05,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-29 11:28:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 724. [2020-10-29 11:28:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-10-29 11:28:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 875 transitions. [2020-10-29 11:28:05,892 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 875 transitions. Word has length 100 [2020-10-29 11:28:05,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:05,893 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 875 transitions. [2020-10-29 11:28:05,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:28:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 875 transitions. [2020-10-29 11:28:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 11:28:05,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:05,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:05,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:28:05,899 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:05,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:05,899 INFO L82 PathProgramCache]: Analyzing trace with hash -452738577, now seen corresponding path program 1 times [2020-10-29 11:28:05,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:05,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331763299] [2020-10-29 11:28:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:05,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:06,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:06,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:06,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-29 11:28:06,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 11:28:06,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,613 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:07,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:07,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:07,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:07,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:07,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:28:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:07,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:28:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:28:07,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 11:28:07,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:07,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:07,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:07,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:07,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:07,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:07,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 11:28:07,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:07,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:28:07,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:08,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:08,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:08,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:28:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:08,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:08,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:08,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:08,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:08,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:08,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:28:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:28:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:08,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:28:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:28:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 11:28:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 11:28:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:08,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:08,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:08,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 11:28:08,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331763299] [2020-10-29 11:28:08,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:08,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:28:08,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053549569] [2020-10-29 11:28:08,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:28:08,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:08,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:28:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:28:08,293 INFO L87 Difference]: Start difference. First operand 724 states and 875 transitions. Second operand 13 states. [2020-10-29 11:28:09,544 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:12,077 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:12,973 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:28:13,913 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:14,803 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:28:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:21,990 INFO L93 Difference]: Finished difference Result 2200 states and 3206 transitions. [2020-10-29 11:28:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 11:28:21,992 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 133 [2020-10-29 11:28:21,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:22,004 INFO L225 Difference]: With dead ends: 2200 [2020-10-29 11:28:22,004 INFO L226 Difference]: Without dead ends: 1500 [2020-10-29 11:28:22,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=276, Invalid=780, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 11:28:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2020-10-29 11:28:22,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 814. [2020-10-29 11:28:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-10-29 11:28:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 975 transitions. [2020-10-29 11:28:22,201 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 975 transitions. Word has length 133 [2020-10-29 11:28:22,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:22,201 INFO L481 AbstractCegarLoop]: Abstraction has 814 states and 975 transitions. [2020-10-29 11:28:22,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:28:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 975 transitions. [2020-10-29 11:28:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 11:28:22,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:22,207 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:22,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:28:22,207 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:22,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:22,208 INFO L82 PathProgramCache]: Analyzing trace with hash -34257749, now seen corresponding path program 1 times [2020-10-29 11:28:22,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:22,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586337404] [2020-10-29 11:28:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:22,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:22,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:22,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 11:28:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,211 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:23,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:28:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:23,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:28:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:28:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:23,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:28:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:23,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:23,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:23,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:28:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:28:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 11:28:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:28:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:28:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:28:23,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:23,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 11:28:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:28:23,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:23,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:28:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:28:23,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:28:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:28:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-29 11:28:23,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586337404] [2020-10-29 11:28:23,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:23,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 11:28:23,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269703968] [2020-10-29 11:28:23,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:28:23,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:23,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:28:23,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:28:23,621 INFO L87 Difference]: Start difference. First operand 814 states and 975 transitions. Second operand 10 states. [2020-10-29 11:28:25,706 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:26,504 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:27,271 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:31,675 INFO L93 Difference]: Finished difference Result 2210 states and 3134 transitions. [2020-10-29 11:28:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:28:31,676 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2020-10-29 11:28:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:31,687 INFO L225 Difference]: With dead ends: 2210 [2020-10-29 11:28:31,688 INFO L226 Difference]: Without dead ends: 1420 [2020-10-29 11:28:31,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:28:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-10-29 11:28:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 830. [2020-10-29 11:28:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-29 11:28:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 991 transitions. [2020-10-29 11:28:31,878 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 991 transitions. Word has length 154 [2020-10-29 11:28:31,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:31,879 INFO L481 AbstractCegarLoop]: Abstraction has 830 states and 991 transitions. [2020-10-29 11:28:31,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:28:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 991 transitions. [2020-10-29 11:28:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 11:28:31,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:31,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:31,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:28:31,884 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:31,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1020840438, now seen corresponding path program 1 times [2020-10-29 11:28:31,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:31,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005848658] [2020-10-29 11:28:31,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:36,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:28:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 11:28:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 11:28:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,719 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:28:37,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:28:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:28:37,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:28:37,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:28:37,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:37,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 11:28:37,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:37,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:28:37,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:28:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:37,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:37,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:28:37,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:37,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:28:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:37,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:28:37,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 11:28:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:37,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:37,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:28:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:28:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 11:28:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:37,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:37,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:37,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:37,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:37,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:37,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:37,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:38,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:28:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:38,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:38,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:28:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:28:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:28:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:28:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:28:38,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:28:38,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:28:38,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:28:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:28:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:28:38,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:28:38,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:38,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:38,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:28:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:28:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:38,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:38,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:38,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 11:28:38,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005848658] [2020-10-29 11:28:38,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:38,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 11:28:38,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231272317] [2020-10-29 11:28:38,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 11:28:38,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:38,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 11:28:38,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:28:38,397 INFO L87 Difference]: Start difference. First operand 830 states and 991 transitions. Second operand 14 states. [2020-10-29 11:28:39,401 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:40,677 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:46,572 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-29 11:28:48,123 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:28:49,597 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:28:51,558 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:28:52,356 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:53,117 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:53,879 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:57,863 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:29:02,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:02,287 INFO L93 Difference]: Finished difference Result 4695 states and 7026 transitions. [2020-10-29 11:29:02,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-29 11:29:02,288 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2020-10-29 11:29:02,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:02,320 INFO L225 Difference]: With dead ends: 4695 [2020-10-29 11:29:02,322 INFO L226 Difference]: Without dead ends: 3889 [2020-10-29 11:29:02,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2020-10-29 11:29:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2020-10-29 11:29:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 2612. [2020-10-29 11:29:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2020-10-29 11:29:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3250 transitions. [2020-10-29 11:29:03,058 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3250 transitions. Word has length 154 [2020-10-29 11:29:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:03,059 INFO L481 AbstractCegarLoop]: Abstraction has 2612 states and 3250 transitions. [2020-10-29 11:29:03,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 11:29:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3250 transitions. [2020-10-29 11:29:03,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 11:29:03,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:29:03,065 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:29:03,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:29:03,066 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:29:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:29:03,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1093226996, now seen corresponding path program 1 times [2020-10-29 11:29:03,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:29:03,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349241892] [2020-10-29 11:29:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:29:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:03,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 11:29:08,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:29:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 11:29:08,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 11:29:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 11:29:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,860 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:29:08,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:29:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:29:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:29:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:29:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:29:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:29:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:29:09,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:29:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:29:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:29:09,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:29:09,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:29:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:29:09,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:29:09,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:29:09,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:29:09,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:29:09,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:29:09,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:29:09,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:29:09,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:09,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:29:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:29:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:29:09,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:29:09,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 11:29:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:29:09,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:09,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:09,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:09,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:29:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:29:09,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:29:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 11:29:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:29:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:29:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:29:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:29:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:29:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:29:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:29:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:29:09,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:29:09,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:29:09,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:29:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:29:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:29:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:29:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:29:09,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:29:09,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:29:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:09,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:29:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:09,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:09,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:29:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:09,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:09,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:09,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:09,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:09,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:09,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 11:29:09,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349241892] [2020-10-29 11:29:09,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:29:09,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 11:29:09,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403034024] [2020-10-29 11:29:09,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 11:29:09,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:29:09,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 11:29:09,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-10-29 11:29:09,907 INFO L87 Difference]: Start difference. First operand 2612 states and 3250 transitions. Second operand 17 states. [2020-10-29 11:29:11,097 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:29:13,521 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2020-10-29 11:29:18,279 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:22,135 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:23,164 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:24,014 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:27,460 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-29 11:29:29,102 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-29 11:29:31,123 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-29 11:29:32,811 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-29 11:29:34,455 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-29 11:29:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:39,259 INFO L93 Difference]: Finished difference Result 8481 states and 11045 transitions. [2020-10-29 11:29:39,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 11:29:39,260 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-10-29 11:29:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:39,303 INFO L225 Difference]: With dead ends: 8481 [2020-10-29 11:29:39,304 INFO L226 Difference]: Without dead ends: 5877 [2020-10-29 11:29:39,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=622, Invalid=2134, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 11:29:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2020-10-29 11:29:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 4848. [2020-10-29 11:29:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4848 states. [2020-10-29 11:29:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 5926 transitions. [2020-10-29 11:29:40,769 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 5926 transitions. Word has length 154 [2020-10-29 11:29:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:40,772 INFO L481 AbstractCegarLoop]: Abstraction has 4848 states and 5926 transitions. [2020-10-29 11:29:40,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 11:29:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 5926 transitions. [2020-10-29 11:29:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-29 11:29:40,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:29:40,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:29:40,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:29:40,782 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:29:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:29:40,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1940608026, now seen corresponding path program 1 times [2020-10-29 11:29:40,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:29:40,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065570554] [2020-10-29 11:29:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:29:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:41,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:41,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-29 11:29:41,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:41,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-29 11:29:41,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:41,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:29:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-29 11:29:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:29:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:41,971 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:29:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:29:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:29:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:29:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:29:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:42,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:29:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:29:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:29:42,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:29:42,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:29:42,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:29:42,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:42,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:29:42,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:29:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:29:42,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:29:42,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:29:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:29:42,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 11:29:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:29:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:29:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:29:42,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:29:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:29:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 11:29:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:29:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:29:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:29:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:29:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:29:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:29:42,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:29:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:42,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:42,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:42,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:29:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 11:29:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:42,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:42,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 11:29:42,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065570554] [2020-10-29 11:29:42,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:29:42,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:29:42,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729869751] [2020-10-29 11:29:42,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:29:42,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:29:42,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:29:42,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:29:42,481 INFO L87 Difference]: Start difference. First operand 4848 states and 5926 transitions. Second operand 11 states. [2020-10-29 11:29:47,031 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:47,861 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:29:48,705 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:49,519 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:50,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:50,252 INFO L93 Difference]: Finished difference Result 6124 states and 7620 transitions. [2020-10-29 11:29:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 11:29:50,253 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-29 11:29:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:50,255 INFO L225 Difference]: With dead ends: 6124 [2020-10-29 11:29:50,255 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:29:50,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:29:50,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:29:50,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:29:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:29:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:29:50,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-10-29 11:29:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:50,275 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:29:50,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:29:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:29:50,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:29:50,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:29:50,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:29:50,444 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 210 [2020-10-29 11:29:51,429 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 212 [2020-10-29 11:29:52,460 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 225 [2020-10-29 11:29:52,717 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 225 [2020-10-29 11:29:55,221 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 553 DAG size of output: 468 [2020-10-29 11:29:58,369 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 555 DAG size of output: 470 [2020-10-29 11:29:59,650 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 415 DAG size of output: 317 [2020-10-29 11:30:07,329 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 297 [2020-10-29 11:30:11,402 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 575 DAG size of output: 477 [2020-10-29 11:30:14,490 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 556 DAG size of output: 473 [2020-10-29 11:30:18,086 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 281 [2020-10-29 11:30:18,984 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 281 [2020-10-29 11:30:19,673 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 55 [2020-10-29 11:30:19,962 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 55 [2020-10-29 11:30:25,862 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 202 DAG size of output: 21 [2020-10-29 11:30:26,397 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-10-29 11:30:27,177 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2020-10-29 11:30:28,893 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 192 DAG size of output: 34